The present invention is directed at monitoring the house environment and the human presence inside of it by monitoring ambient conditions and sensing movement throughout the building, and monitoring human body temperature and life presence. The invention comprises both CO2, CO and temperature sensors. An ultrawideband radar and infrared sensor will be used in combination to detect motion and body temperature. The invention operates in a master-slave combination were multiple units are installed in different areas of building. One unit serves as the main unit and will control communications and data transmission to the user while the slave units will send their data to the main unit.